ESR investigation of deferration treatment of iron-rich kaolinite clay from Deopani, Assam, India

Current Science

Volumn 91, Issue 1, 2006, Pages 86-90

  Sengupta, P ^a   Saikia, N J ^a   Bharali, D J ^a   Saikia, P C ^a   Borthakur, P C ^a  

^a REGIONAL RESEARCH LABORATORY   (India)

Author keywords

Beneficiation; Deferration; ESR spectra; Kaolinite; Structural and non structural iron

Indexed keywords

EID: 33746642201     PISSN: 00113891     EISSN: 00113891     Source Type: Journal    
DOI: None     Document Type: Article

References (29)

1. Searle, A. B. and Grimshaw, R. W., In The Chemistry and Physics of Clays and other Ceramic Materials, Ernest Benn Ltd, London, 1960, 3rd edn, p. 133; 273; 280.
2. Brindley, G. W., Kao, C.-C., Harrison, J. L., Lipsicas, M. and Raythatha, R., Relation between structural disorder and other characteristics of kaolinites and dickites. Clays Clay Miner., 1986, 34, 239-249.
3. Bahranowski, K., Serwicka, E. M., Stoch, L. and Strycharski, P., On the possibility of removal of non-structural iron from kaolinite-group minerals. Clay Miner., 1993, 28, 379-391.
4. Shoumkov, S., Dimitrov, Z. and Brakalov, L., High gradient magnetic treatment of kaolin. Interceram, 1987, 36, 26-28.
5. Farhount, N., Beneficiation of kaolins of islands of Milos, Ph D thesis, National Technical University, Athens, 1989.
6. Komskaja, M., Dolin, A. and Yatsunova, S., Enrichment of kaolin. Otkryt., Izobret., Prom. Obrazcy. Tovar. Znaki, 1971, 48, 42-56.
7. Veglio, F., Passariello, B., Toro, L. and Marabini, A. M., Development of a bleaching process for a kaolin of industrial interest by oxalic, ascorbic and sulphuric acids: Preliminary study using statistical methods of experimental design. Ind. Eng. Chem. Res., 1996, 35, 1680-1687.
8. Ambikadevi, V. R. and Lalithambika, M., Effect of organic acids on ferric iron removal from iron-stained kaolinite. Appl. Clay Sci., 2000, 16, 133-145.
9. de Mesquita, L. M. S., Rodrigues, T. and Gomes, S. S., Bleaching of Brazilian kaolins using organic acids and fermented medium. Miner. Eng., 1996, 9, 965-971.
10. Groudev, S. N., Biobeneficiation of mineral raw materials. Miner. Metall. Process, 1999, 16, 19-28.
11. Veglio, F. and Toro, L., Process development of kaolin bleaching using carbohydrates in acid media. Int. J. Miner. Process., 1994, 41, 239-255.
12. Borggaard, O. K., Selective extraction of amorphous iron oxides by EDTA from a Danish sandy loam. J. Soil Sci., 1979, 30, 727-734.
13. Conley, R. F. and Lloyd, M. K., Improvement of iron leaching in clays: optimizing processing parameters in sodium dithionate reduction. Ind. Eng. Chem. Process Des. Dev., 1970, 9, 595-601.
14. Ambikadevi, V. R. and Gopalakrishna, S. J., Iron stain removal by bleaching and leaching techniques. In Proceedings of the 10th Kerala Science Congress, 1997, pp. 445-448.
15. Angel, B. R. and Vincent, W. E. J., Electron spin resonance studies of iron oxides associated with the surface of kaolins. Clays Clay Miner., 1978, 26, 263-272.
16. Komusiñski, J., Stoch, L. and Dubiel, S. M., Application of electron paramagnetic resonance and Mössbauer spectroscopy in the investigation of kaolinite-group minerals. Clays Clay Miner., 1981, 29, 23-30.
17. Sengupta, P., Saikia, N. J., Bharali, D. J., Saikia, P. C. and Borthakur, P. C., Prospect of generation of paper coating, filer and ceramic grade kaolin from Deopani deposit of Assam. In Proc. of International Seminar on Mineral Processing Technology, MPT - 2003, Panjim, Goa, 6-8 February 2003, pp. 288-291.
18. Saikia, N. J., Bharali, D. J., Sengupta, P., Bordolo, I. D., Goswamee, R. L., Saikia, P. C. and Borthakur, P. C., Characterization, beneficiation and utilization of a kaolinite clay from Assam, India. Appl. Clay Sci., 2003, 24, 93-103.
19. Sengupta, P., Saikia, N. J., Bharali, D. J., Saikia, P. C. and Borthakur, P. C., SEM-EDXA investigation of a kaolintie clay from Deopani, Assam. In 49th Annual Technical Session of Assam Science Society, Regional Research Laboratory, Jorhat, Assam, 11 January 2004, p. 25.
20. Sengupta, P., Saikia, N. J., Bharali, D. J., Saikia, P. C. and Borthakur, P. C., Morphology of a kaolinite clay from Assam, India: an investigation by SEM-EDXA (communicated), 2004.
21. Goodman, B. A. and Hall, P. L., Electron paramagnetic resonance spectroscopy. In Clay Mineralogy: Spectroscopic and Chemical Determinative Methods (eds Wilson, M. J.), Chapman & Hall, London, 1994, 1st edn, p. 173; 201-209.
22. IS: 2840, Indian standard specification, Indian standard method of mixing. Indian Standard Institution, New Delhi, 1965.
23. Jones, J. P. E., Angel, B. R. and Hall, P. L., Electron spin resonance studies of doped synthetic kaolinite. II. Clay Miner., 1974, 10, 257-269.
24. Manhaes, R. S. T. et al., Soil characterization using X-ray diffraction, photoacoustic spectroscopy and electron paramagnetic resonance. Appl. Clay Sci., 2002, 21, 303-311.
25. Schellmann, W., Die bildungsbedingungen sedimentärer chamositund hämatiteisenerze am beispiel der lagerstätte echte. Neues Jahrb. Mineral., Abh., 1969, 111, 1-31.
26. Maynard, J. B., In Geochemistry of Sedimentary Ore Deposits, Springer-Verlag, New York, 1983, pp. 40-45.
27. NBSS and LUP: Bulletin 66, Soils of Assam for Optimizing Land Use. Soils of India Series, National Bureau of Soil Survey and Land Use Planning, Nagpur, 1999, pp. 14-15.
28. Russell, J. D. and Fraser, A. R., Infrared methods. In Clay Mineralogy: Spectroscopic and Chemical Determinative Methods (ed. Wilson, M. J.), Chapman & Hall, London, 1994, 1st edn, pp. 11-67.
29. Wells, M. A., Gilkes, R. J. and Fitzpatrick, R. W., Properties and acid dissolution of metal-substituted hematites. Clays Clay Miner., 2001, 49, 60-72.